Fill in the blank with the appropriate modal.
He ________ not buy a car.
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → need
Complete sentence: He need not buy a car. The sentence is negative. It means it is not necessary for him to buy one.
| Option | Meaning and use | Example |
|---|---|---|
| (1) has to | not a modal, so “not” cannot come right after it. Its negative is “does not have to”. | Sonu has to finish his homework before dinner. |
| (2) needs | the main verb form. It takes “to” and a helping verb in the negative: “He does not need to buy a car”. | The plant needs water every day. |
| (3) need (answer) | as a modal, used in negative sentences and questions, followed by “not” and the base verb, with no “-s” (even with “he”) and no “to”: not necessary | You need not bring lunch tomorrow. |
| (4) have to | The subject “he” is singular. It takes “has to”, not “have to”. | We have to wear a uniform to school. |